What's happening to the F1 ladder?

Thanks to the lack of information from the FIA, we don't know much about the new-for-2016 F2 series. Or do we? And what's going to happen to Formula Renault 3.5, or GP3? AUTOSPORT's reporters take stock of the F1 ladder

Last week the FIA was expected to confirm details about its new Formula 2 series. All it revealed was that it was in discussions with GP2.

The knock-on effect is a lot of question marks over the junior single-seater scene, even as we edge ever closer to 2016. So how exactly is the Formula 1 ladder shaping up?